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Indian Journal of Occupational and Environmental Medicine
Medknow Publications
ISSN: 0973-2284
EISSN: 0973-2284
Vol. 11, No. 1, 2007, pp. 6-8
Bioline Code: oe07003
Full paper language: English
Document type: Research Article
Document available free of charge

Indian Journal of Occupational and Environmental Medicine, Vol. 11, No. 1, 2007, pp. 6-8

 en Lead exposure and hair lead level of workers in a lead refinery industry in Iran
Pirsaraei, Seyed Reza Azimi


This study was carried out on the workers of a lead refinery industry and two control groups in Zanjan city in Iran. The scalp hair samples were collected from 25 workers who were occupationally exposed to lead contamination as a case group and from 25 subjects among the staff of the same industry and 25 subjects among Zanjan citizens as the first and second control groups respectively. A flame atomic absorption spectrophotometer used to determine lead level in all of the samples. The age of all subjects in the three groups was matched. The mean concentrations of hair lead in the workers (case group), the staff (control groupA) and the citizens (control group B) were 131.7±93.4 μgr/gr, 21.1±13.2 μgr/gr and 27.9±14.1 μgr/gr respectively. The mean concentration of hair lead in the case group was more than hair lead of normal range found in humans (0-30μgr/gr). The mean of hair lead level in the citizens who had used gas vehicles was statistically higher than who had not used it (36.9±12.2 μgr/gr vs. 16.6±4.9 μgr/gr, P <0.001).

Hair lead level, lead, occupationally exposure, refinery industry, workers exposure

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